GB8919359D0 - Radio receiving voice and data signals - Google Patents

Radio receiving voice and data signals

Info

Publication number
GB8919359D0
GB8919359D0 GB898919359A GB8919359A GB8919359D0 GB 8919359 D0 GB8919359 D0 GB 8919359D0 GB 898919359 A GB898919359 A GB 898919359A GB 8919359 A GB8919359 A GB 8919359A GB 8919359 D0 GB8919359 D0 GB 8919359D0
Authority
GB
United Kingdom
Prior art keywords
data signals
radio receiving
receiving voice
voice
radio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB898919359A
Other versions
GB2222332B (en
GB2222332A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of GB8919359D0 publication Critical patent/GB8919359D0/en
Publication of GB2222332A publication Critical patent/GB2222332A/en
Application granted granted Critical
Publication of GB2222332B publication Critical patent/GB2222332B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/24—Automatic control in frequency-selective amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B2001/1054—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal by changing bandwidth
GB8919359A 1988-08-25 1989-08-25 Radio receiver receiving voice and data signals Expired - Fee Related GB2222332B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20949288 1988-08-25
JP23013688 1988-09-16

Publications (3)

Publication Number Publication Date
GB8919359D0 true GB8919359D0 (en) 1989-10-11
GB2222332A GB2222332A (en) 1990-02-28
GB2222332B GB2222332B (en) 1993-03-03

Family

ID=26517488

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8919359A Expired - Fee Related GB2222332B (en) 1988-08-25 1989-08-25 Radio receiver receiving voice and data signals

Country Status (5)

Country Link
US (1) US5095534A (en)
JP (1) JPH02186723A (en)
CA (1) CA1312922C (en)
GB (1) GB2222332B (en)
HK (1) HK101793A (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697281A (en) 1986-03-14 1987-09-29 Spectrum Cellular Communications Corporation, Inc. Cellular telephone data communication system and method
USRE37141E1 (en) 1984-09-10 2001-04-17 Spectrum Information Technologies, Inc. Cellular telephone data communication system and method
USRE38645E1 (en) 1989-01-19 2004-11-02 Mlr, Llc Portable hybrid communication system and methods
DE69020538T2 (en) * 1989-07-15 1996-02-22 Philips Electronics Nv AUTOMATIC LEVEL CONTROL.
DE4005272A1 (en) * 1990-02-20 1991-08-22 Bosch Gmbh Robert METHOD FOR ZF BANDWIDTH SWITCHING AND ZF BANDWIDTH SWITCHING DEVICE
US5127041A (en) * 1990-06-01 1992-06-30 Spectrum Information Technologies, Inc. System and method for interfacing computers to diverse telephone networks
GB2284718A (en) * 1990-10-10 1995-06-14 Motorola Inc Adjusting telephone bandwidth using variable integrated transconductance filter
ATE142805T1 (en) * 1990-10-22 1996-09-15 Motorola Inc SELECTIVE CALL RECEIVER WITH FILTERS CONTROLLED BY THE DECODER
DE4208605A1 (en) * 1992-03-18 1993-09-23 Blaupunkt Werke Gmbh CIRCUIT ARRANGEMENT FOR NEXT CHANNEL RECOGNITION AND SUPPRESSION IN A BROADCAST RECEIVER
DE4319457C2 (en) * 1993-06-11 1997-09-04 Blaupunkt Werke Gmbh Circuit arrangement for adjacent channel detection and suppression in an FM radio receiver
JPH0766744A (en) * 1993-08-30 1995-03-10 Nec Corp Electric field detecting circuit
US5668837A (en) * 1993-10-14 1997-09-16 Ericsson Inc. Dual-mode radio receiver for receiving narrowband and wideband signals
SG43121A1 (en) * 1993-10-14 1997-10-17 Ericsson Ge Mobile Inc Adaptive bandwidth receiver
EP0660536B1 (en) * 1993-12-21 2005-02-16 Thomson Consumer Electronics, Inc. Microcomputer-based carrier detection system for a cordless telephone
GB2304478A (en) * 1995-08-23 1997-03-19 Hwa Lin Electronic Co Ltd Direct broadcasting satellite tuner with negative feedback circuit to filter for tracking if image signal
GB2356305B (en) * 1996-07-11 2001-07-25 Nec Corp Portable telephone capable of decreasing noise
US5983080A (en) * 1997-06-03 1999-11-09 At & T Corp Apparatus and method for generating voice signals at a wireless communications station
US6178314B1 (en) * 1997-06-27 2001-01-23 Visteon Global Technologies, Inc. Radio receiver with adaptive bandwidth controls at intermediate frequency and audio frequency sections
DE19908855A1 (en) * 1999-03-01 2000-09-07 Delphi Tech Inc Radio receiving device and method for controlling a radio receiving device
JP2003502899A (en) * 1999-06-16 2003-01-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ FM receiver with bandwidth control means
DE10106071C1 (en) * 2001-02-09 2002-07-11 Harman Becker Automotive Sys Television receiver has control signal for selective filter stage obtained from signal representing reception field strength
US6993311B2 (en) * 2002-02-20 2006-01-31 Freescale Semiconductor, Inc. Radio receiver having an adaptive equalizer and method therefor
US6879216B2 (en) * 2002-10-18 2005-04-12 Agilent Technologies, Inc. Integrated circuit that provides access to an output node of a filter having an adjustable bandwidth
JP4282524B2 (en) * 2004-03-30 2009-06-24 三洋電機株式会社 AM receiver circuit
JP2007028290A (en) * 2005-07-19 2007-02-01 Sanyo Electric Co Ltd Am radio receiving circuit
JP4610512B2 (en) * 2006-04-05 2011-01-12 三洋電機株式会社 Audio signal processing circuit
JPWO2008026693A1 (en) 2006-08-31 2010-01-21 クラリオン株式会社 IBOC broadcast receiver
US8787507B2 (en) * 2011-07-25 2014-07-22 Spreadtrum Communications USA Detection and mitigation of interference in a receiver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356567A (en) * 1977-06-28 1982-10-26 Pioneer Electronic Corporation Radio receiver with bandwidth switching
JPS5843301Y2 (en) * 1977-07-02 1983-09-30 ヤマハ株式会社 Automatic reception state selection circuit in receiver
CA1190289A (en) * 1981-04-28 1985-07-09 Nippon Hoso Kyokai Fm signal demodulation system
JPS59185433A (en) * 1983-04-06 1984-10-22 Trio Kenwood Corp Am receiver
US4672657A (en) * 1985-12-17 1987-06-09 Motorola, Inc. Multichannel telephone system
JPH0232248U (en) * 1988-08-24 1990-02-28

Also Published As

Publication number Publication date
JPH0544209B2 (en) 1993-07-05
HK101793A (en) 1993-10-08
CA1312922C (en) 1993-01-19
GB2222332B (en) 1993-03-03
GB2222332A (en) 1990-02-28
JPH02186723A (en) 1990-07-23
US5095534A (en) 1992-03-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070825